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Finding the Fourth Proportional to 303,534.43, 418,866.50 and 167,565.44

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Solution

The fourth proportional to 303,534.43, 418,866.50 and 167,565.44 is: 231,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,534.43 : 418,866.50 = 167,565.44 : x
  2. Step 2: Convert to fraction form
    303,534.43/418,866.50 = 167,565.44/x
  3. Step 3: Cross multiply
    303,534.43x = 418,866.50 × 167,565.44
  4. Step 4: Simplify right side
    303,534.43x = 70,187,550,839.84
  5. Step 5: Solve for x
    x = 70,187,550,839.84/303,534.43
  6. Step 6: Final answer
    x = 231,234.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.